256794328

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2888

約数の個数: 64

約数和(自身を含む): 578949120

約数和(自身を除く): 322154792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 53, 56, 62, 106, 124, 212, 217, 248, 371, 424, 434, 742, 868, 1484, 1643, 1736, 2791, 2968, 3286, 5582, 6572, 11164, 11501, 13144, 19537, 22328, 23002, 39074, 46004, 78148, 86521, 92008, 147923, 156296, 173042, 295846, 346084, 591692, 605647, 692168, 1035461, 1183384, 1211294, 2070922, 2422588, 4141844, 4585613, 4845176, 8283688, 9171226, 18342452, 32099291, 36684904, 64198582, 128397164, 256794328]

約数ペア:

[(1, 256794328), (2, 128397164), (4, 64198582), (7, 36684904), (8, 32099291), (14, 18342452), (28, 9171226), (31, 8283688), (53, 4845176), (56, 4585613), (62, 4141844), (106, 2422588), (124, 2070922), (212, 1211294), (217, 1183384), (248, 1035461), (371, 692168), (424, 605647), (434, 591692), (742, 346084), (868, 295846), (1484, 173042), (1643, 156296), (1736, 147923), (2791, 92008), (2968, 86521), (3286, 78148), (5582, 46004), (6572, 39074), (11164, 23002), (11501, 22328), (13144, 19537)]